Integrated actions of the four heads of quadriceps femoris: an electromyographic study.

@article{Basmajian1972IntegratedAO,
  title={Integrated actions of the four heads of quadriceps femoris: an electromyographic study.},
  author={John V. Basmajian and T P Harden and E M Regenos},
  journal={The Anatomical record},
  year={1972},
  volume={172 1},
  pages={15-20}
}